SILVER
- Name of the element and how it got it name: AG (silver.) It’s name came from the Anglo-Saxon word seolfor.
- Atomic number: 47
- Who discovered it: no one in particular, but the Persians were the first to use it.
- When was it discovered: As far back as 612 B.C.
- Symbol: AG, Atomic number: 47 and Atomic mass: 108.
- Symbol source: the symbol came from the Latin word for silver (argentum.)
- Number of protons: 47, neutrons: 61 and electrons: 47.
- melting point: 1763.20 °F.
- boiling point: 3924°F.
- density: 10.501 grams per cubic centimeter.
- Estimated Crustal Abundance: 7.5×10-2 milligrams per kilogram.
- Estimated Oceanic Abundance: 4×10-5 milligrams per liter.
- Silver, is used to make silverware, jewelry and other decorative items, Silver has also been used to create coins.
- Silver is also the best reflector of visible light known, but silver mirrors must be given a protective coating to prevent them from tarnishing.
- Pure silver is the best conductor of heat and electricity of all known metals, so it is sometimes used in making solder, electrical contacts and printed circuit boards.
- Silver iodide is used to seed clouds to produce rain.
- Sliver nitrate is light sensitive and is used to make photographic films and papers.
- Sources:
- http://education.jlab.org/itselemental/ele047.html
- http://www.precious-metal.net/silver/
- http://libra
ry.thinkquest.org/05aug/00461/silver.htm 